My dropdown menu goes back to navbar-default colour when I click on it.  And when I hover over the items in the dropdown menu, they go back to the navbar-default colour, as well.
Here's a picture of what I mean:
Here's my HTML:
    <div class="collapse navbar-collapse navHeaderCollapse">
        <ul class="nav navbar-nav">
            <li><a href="#">Home</a></li>
            <li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Internet<span class="caret"></span></a>
                <ul class="dropdown-menu">
                    <li><a href="#">Cable</a></li>
                    <li><a href="#">DSl</a></li>
                    <li><a href="#">Wireless</a></li>
                    <li><a href="#">Business Cable</a></li>
                    <li><a href="#">Business DSL</a></li>
                </ul>
            </li>
            <li><a href="#">Phone</a></li>
            <li><a href="#">Android TV</a></li>
            <li><a href="#">Shaw Direct</a></li>
            <li><a href="#">Careers</a></li>
        </ul>
    </div> 
And here's my CSS:
.navbar-default {
    background-color: #00AEFE;
}
.navbar-default:visited {
    background-color: #00AEFE;
}
ul.dropdown-menu {
    background-color: #00AEFE;
}
ul.dropdown-menu:hover {
    background-color: #00AEFE;
}

 
    